-48.14% is the change from 671 to 348
Calculation steps:
[( 348 - 671 ) ÷ 671] x 100 = -48.14%
Formula
Percentage change = [(348 - 671) / 671] x 100
Subtract the new number by the original number
348 - 671 = -323
-323 ÷ 671 = -0.481371087928465
-0.481371087928465 x 100 = -48.14%